If you run a website with multiple admin users, you might find a plugin is installed and you don’t know who installed it.

If you’d like to audit who installs plugins, and other types of admin actions there are several audit plugins to choose from:

5 WordPress activity logs plugins compared
What type of events does it log?Ease of use
(1-5)
What type of sites should use it?Price
WP Security Audit LogNearly every type of event3Security-conscious websitesFree, with premium add-ons
Simple HistoryAlmost every event, except core updates and changes to Multisite5Websites that only need a basic solutionFree
User Activity LogAlmost every event, except core updates and changes to Multisite4Sites with multiple contributorsFree and premium options
Simple Login LogLogin attempts and successes5Any type of siteFree
WP Log ViewerAll types of WordPress error messages2Websites with frequent troubleshooting needs and staging platformsFree